42472246 has 4 divisors (see below), whose sum is σ = 63708372. Its totient is φ = 21236122.

The previous prime is 42472169. The next prime is 42472247. The reversal of 42472246 is 64227424.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42472247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10618060 + ... + 10618063.

It is an arithmetic number, because the mean of its divisors is an integer number (15927093).

Almost surely, 2^42472246 is an apocalyptic number.

42472246 is a deficient number, since it is larger than the sum of its proper divisors (21236126).

42472246 is a wasteful number, since it uses less digits than its factorization.

42472246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21236125.

The product of its digits is 21504, while the sum is 31.

The square root of 42472246 is about 6517.0734229407. The cubic root of 42472246 is about 348.9006211242.

The spelling of 42472246 in words is "forty-two million, four hundred seventy-two thousand, two hundred forty-six".